From 0b3bec33964c33d234497dca68b667c2d4fbf568 Mon Sep 17 00:00:00 2001
From: Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>
Date: Tue, 30 May 2017 22:29:47 +0200
Subject: [PATCH] Fillet Feature: Return if radius <= 0

---
 src/Mod/PartDesign/App/FeatureFillet.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Mod/PartDesign/App/FeatureFillet.cpp b/src/Mod/PartDesign/App/FeatureFillet.cpp
index e0313e213c..55eb782dde 100644
--- a/src/Mod/PartDesign/App/FeatureFillet.cpp
+++ b/src/Mod/PartDesign/App/FeatureFillet.cpp
@@ -78,6 +78,9 @@ App::DocumentObjectExecReturn *Fillet::execute(void)
         return new App::DocumentObjectExecReturn("Fillet not possible on selected shapes");
     
     double radius = Radius.getValue();
+    
+    if(radius <= 0)
+        return new App::DocumentObjectExecReturn("Fillet radius must be greater than zero");
 
     this->positionByBaseFeature();